:root {
  --survey-ink: #ffffff;
  --survey-teal: #dde8c9;
  --survey-paper: #101010;
  --survey-line: rgba(255, 255, 255, 0.14);
  --survey-muted: rgba(255, 255, 255, 0.66);
  --survey-danger: #ff6b6b;
}

.research-app-page {
  background: var(--survey-paper);
  color: var(--survey-ink);
  min-height: 100vh;
}

.survey-header {
  align-items: center;
  border-bottom: 1px solid var(--survey-line);
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1440px;
  padding: 24px clamp(20px, 5vw, 72px);
}

.research-wordmark--dark {
  color: var(--survey-ink);
}

.research-wordmark--dark .research-wordmark__year {
  border-color: rgba(255, 255, 255, 0.24);
}

.survey-header__label {
  color: var(--survey-muted);
  font-size: 13px;
  font-weight: 600;
}

.survey-main {
  margin: 0 auto;
  max-width: 850px;
  padding: clamp(48px, 9vw, 100px) 24px 72px;
}

.survey-intro {
  margin-bottom: 36px;
  max-width: 700px;
}

.survey-eyebrow,
.step-eyebrow {
  color: var(--survey-teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

.survey-intro h1,
.step-heading,
.results-heading {
  color: var(--survey-ink);
  font-size: clamp(35px, 5vw, 58px);
  letter-spacing: -0.04em;
  line-height: 0.98;
  margin: 0 0 18px;
}

.survey-intro > p:last-child,
.step-description {
  color: var(--survey-muted);
  font-size: 18px;
  line-height: 1.55;
  margin: 0;
}

.survey-card,
.results-card {
  background: var(--blv-surface);
  border: 1px solid var(--survey-line);
  border-radius: 16px;
  padding: clamp(24px, 5vw, 52px);
}

.survey-progress {
  border-bottom: 1px solid var(--survey-line);
  margin-bottom: 42px;
  padding-bottom: 24px;
}

.survey-progress__labels {
  display: flex;
  font-size: 13px;
  font-weight: 600;
  justify-content: space-between;
  margin-bottom: 12px;
}

.survey-progress__labels p {
  margin: 0;
}

.survey-progress__labels p:last-child {
  color: var(--survey-muted);
}

.survey-progress__track {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  height: 7px;
  overflow: hidden;
}

.survey-progress__track span {
  background: var(--survey-teal);
  border-radius: inherit;
  display: block;
  height: 100%;
  transition: width 180ms ease;
}

.step-heading {
  font-size: clamp(30px, 4vw, 46px);
}

.survey-questions {
  display: grid;
  gap: 32px;
  margin-top: 38px;
}

.survey-question {
  border: 0;
  margin: 0;
  padding: 0;
}

.survey-question legend,
.survey-field__label {
  color: var(--survey-ink);
  font-size: 18px;
  font-weight: 650;
  line-height: 1.35;
  margin-bottom: 15px;
  padding: 0;
}

.survey-question__hint {
  color: var(--survey-muted);
  font-size: 14px;
  margin: -7px 0 14px;
}

.survey-options {
  display: grid;
  gap: 10px;
}

.survey-option {
  align-items: flex-start;
  border: 1px solid var(--survey-line);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  transition: border-color 140ms ease, background-color 140ms ease;
}

.survey-option:hover,
.survey-option:has(input:checked) {
  background: var(--blv-sage-wash);
  border-color: var(--survey-teal);
}

.survey-option input {
  accent-color: var(--survey-teal);
  flex: 0 0 auto;
  height: 18px;
  margin: 2px 0 0;
  width: 18px;
}

.survey-option span {
  line-height: 1.4;
}

.survey-text-input,
.survey-textarea {
  background: var(--blv-surface-2);
  border: 1px solid var(--survey-line);
  border-radius: 10px;
  color: var(--survey-ink);
  font: inherit;
  padding: 14px 15px;
  width: 100%;
}

.survey-text-input:focus,
.survey-textarea:focus {
  border-color: var(--survey-teal);
  box-shadow: 0 0 0 4px rgba(221, 232, 201, 0.28);
  outline: 0;
}

.survey-textarea {
  min-height: 118px;
  resize: vertical;
}

.survey-contact-grid {
  display: grid;
  gap: 20px;
}

.survey-field {
  display: grid;
  gap: 9px;
}

.survey-consent {
  align-items: flex-start;
  border-top: 1px solid var(--survey-line);
  display: flex;
  gap: 12px;
  margin-top: 6px;
  padding-top: 24px;
}

.survey-consent input {
  accent-color: var(--survey-teal);
  height: 18px;
  margin: 3px 0 0;
  width: 18px;
}

.survey-consent label {
  color: var(--survey-muted);
  font-size: 14px;
  line-height: 1.45;
}

.survey-actions {
  align-items: center;
  border-top: 1px solid var(--survey-line);
  display: flex;
  justify-content: space-between;
  margin-top: 44px;
  padding-top: 24px;
}

.survey-button {
  background: var(--survey-teal);
  border: 1px solid var(--survey-teal);
  border-radius: 999px;
  color: #101010;
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  padding: 13px 22px;
}

.survey-button:hover {
  background: #c9d9ab;
  border-color: #c9d9ab;
}

.survey-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.survey-button--secondary {
  background: transparent;
  border-color: transparent;
  color: var(--survey-ink);
  padding-left: 0;
}

.survey-button--secondary:hover {
  background: transparent;
  border-color: transparent;
  color: var(--survey-teal);
}

.survey-error {
  background: rgba(255, 107, 107, 0.12);
  border-left: 3px solid var(--survey-danger);
  color: #ffb3b3;
  line-height: 1.45;
  margin-top: 26px;
  padding: 13px 16px;
}

.survey-privacy-note {
  color: var(--survey-muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 26px auto 0;
  max-width: 670px;
  text-align: center;
}

.survey-privacy-note a {
  color: var(--survey-ink);
  text-decoration: underline;
}

.results-main {
  max-width: 1000px;
}

.results-card {
  min-height: 350px;
}

.results-loading,
.results-message {
  color: var(--survey-muted);
  font-size: 17px;
  margin: 0;
}

.result-hero {
  border-bottom: 1px solid var(--survey-line);
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr auto;
  margin-bottom: 36px;
  padding-bottom: 36px;
}

.result-score {
  align-items: baseline;
  color: var(--survey-teal);
  display: flex;
  font-size: clamp(68px, 10vw, 120px);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.8;
}

.result-score span {
  color: var(--survey-muted);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-left: 12px;
}

.result-band {
  align-self: end;
  color: var(--survey-muted);
  font-size: 14px;
  text-align: right;
}

.result-band strong {
  color: var(--survey-ink);
  display: block;
  font-size: 24px;
  line-height: 1.1;
}

.result-section-heading {
  font-size: 22px;
  margin: 0 0 20px;
}

.result-categories {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.result-category {
  border: 1px solid var(--survey-line);
  border-radius: 10px;
  padding: 18px;
}

.result-category__top {
  align-items: baseline;
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.result-category h3 {
  font-size: 17px;
  margin: 0;
}

.result-category strong {
  color: var(--survey-teal);
  font-size: 20px;
}

.result-category p {
  color: var(--survey-muted);
  font-size: 14px;
  line-height: 1.45;
  margin: 0;
}

.result-highlights {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 30px;
}

.result-highlight {
  background: var(--blv-surface);
  border-radius: 10px;
  padding: 20px;
}

.result-highlight p {
  color: var(--survey-muted);
  font-size: 13px;
  margin: 0 0 5px;
}

.result-highlight strong {
  font-size: 19px;
}

.result-disclaimer {
  border-top: 1px solid var(--survey-line);
  color: var(--survey-muted);
  font-size: 13px;
  line-height: 1.5;
  margin: 36px 0 0;
  padding-top: 22px;
}

@media (max-width: 640px) {
  .survey-header {
    align-items: flex-start;
    gap: 10px;
  }

  .survey-header__label {
    font-size: 11px;
    max-width: 130px;
    text-align: right;
  }

  .survey-main {
    padding: 48px 16px;
  }

  .survey-card,
  .results-card {
    border-radius: 12px;
    padding: 24px 20px;
  }

  .survey-intro > p:last-child,
  .step-description {
    font-size: 16px;
  }

  .result-hero,
  .result-categories,
  .result-highlights {
    grid-template-columns: 1fr;
  }

  .result-band {
    text-align: left;
  }
}